tracer says to #ysitd
"+a:""),Array.prototype.slice.call(arguments,1)))};k.asserts.assertNumber=function(a,c,d){k.asserts.ENABLE_ASSERTS&&!k.isNumber(a)&&k.asserts.doAssertFailure_("Expected number but got %s: %s.",[k.typeOf(a),a],c,Array.prototype.slice.call(arguments,2));return a};k.asserts.assertString=function(a,c,d){k.asserts.ENABLE_ASSERTS&&!k.isString(a)&&k.asserts.doAssertFailure_("Expected string but got %s: %s.",[k.typeOf(a),a],c,Array.prototype.slice.call(arguments,2));